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Obsidian when knapped would have the sharpest cutting tool edge of any igneous rock.
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∙ 14y ago
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What do you use Igneous rocks for?
igneous rocks are used for blilding and for long lasting moument.
Why are igneous rocks useful?
Igneous rocks are important to science because scientist need to know about all the different types of things in our world today. The reason also because igneous rocks come from volvanoe and the stuff that comes out of a volcanoe is called LAVA /MAGma!
Why might the Incas have chosen igneous rock to build their fortress near Ollantaytambo in Peru?
Many igneous rocks are hard, dense, and durable. People throughout history have used igneous rock for tools and building materials.
What are 3 ways igneous rocks are used and which one?
the 3 ways igneous rocks are used are in schools,houses and roads. this is because they are hard,igneous rocks make useful road building materials
What are igneous rocks that form over the surface?
Rhyolititcen rocks.
Why have people throughout history used igneous rocks for tools and building materials?
People have used igneous rock for tools because of its strength and workability; for building materials due to its beauty, strength and availability.
Do use igneous rocks for tools?
Yes. Obsidian in particular has been used to make tips for arrows and spears.
What characteristics make igneous rocks useful?
Many igneous rocks are hard, dense, and durable. This makes them great for tools and building materials.
Do people use igneous rocks for tools?
Yes. Obsidian in particular has been used to make tips for arrows and spears.
What do you use Igneous rocks for?
igneous rocks are used for blilding and for long lasting moument.
Why are igneous rocks useful?
Igneous rocks are important to science because scientist need to know about all the different types of things in our world today. The reason also because igneous rocks come from volvanoe and the stuff that comes out of a volcanoe is called LAVA /MAGma!
What is extrusive igneous rocks used for?
Extrusive igneous rocks i think are used for carving and awesome things like that!
Why might incas have chosen igneous rock to build their fortress near Ollantaytambo in Peru?
Many igneous rocks are hard, dense, and durable. People throughout history have used igneous rock for tools and building materials.
Why might the Incas have chosen igneous rock to build their fortress near Ollantaytambo in Peru?
Many igneous rocks are hard, dense, and durable. People throughout history have used igneous rock for tools and building materials.
What are 3 ways igneous rocks are used and which one?
the 3 ways igneous rocks are used are in schools,houses and roads. this is because they are hard,igneous rocks make useful road building materials
When molten rocks cools what rocks form?
igneous rocks
How did the roman manufacture quern stones?
The Romans made quern stones by shaping them and smoothing them with metal hand tools. They used igneous rocks - rocks is formed through the cooling and solidification of magma or lava. Basalt was the favourite one. When igneous rock was not available, sandstone, quartzite or limestone was used.
